diff --git a/mailnews/base/resources/content/mailWindowOverlay.xul b/mailnews/base/resources/content/mailWindowOverlay.xul
index 14badd33364d..77c4e004b485 100644
--- a/mailnews/base/resources/content/mailWindowOverlay.xul
+++ b/mailnews/base/resources/content/mailWindowOverlay.xul
@@ -200,6 +200,7 @@ Rights Reserved.
   <command id="button_print"/>
   <command id="button_next"/>
   <command id="button_file"/>
+  <command id="cmd_delete"/>
 </commandset>